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Transcript of 6XS Owners Manual
8/4/2019 6XS Owners Manual
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22410 70th Avenue West • Mountlake Terrace, WA 98043
Phone 425-775-8461 • Fax 425-778-3166 • www.audiocontrol.com
®
Six Channel Electronic Crossover
Owners Enjoyment Manual
Congratulations on your purchase of the 6XS, the world’s
first six channel, 24 dB/octave crossover with subwoofer
level control. Whether this is your first product from the
rainforest dwellers of AudioControl or you are already a firm
believer, you will definitely enjoy the 6XS, as it quite honestly may
be the last electronic crossover you will ever need to buy. All of
this comes from AudioControl, the experts at designing and manu-
facturing performance autosound crossovers, equalizers and mea-
surement tools.
Now before you start salivating too much just thinking about
what the 6XS can do for your system, take a few minutes to sit
back, have a cold beverage, and read through this manual. It
contains lots of useful facts and information (and besides, we spent
a lot of time writing it)!
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FEATURES AND HIGHLIGHTS OF 6XSHere are some of the cool features that make your 6XS crossover
so special:
AutoModetm Inputs: Whether your source unit has two, four, or
six outputs, the 6XS will automatically switch the inputs to match.
24 dB/Octave Linkwitz-Riley Alignment Crossover: The
programmable 24 dB/Octave audiophile caliber crossover in the
6XS is the same topology as in many other award winning Audio-
Control components. Needless to say, it is a far cry from the
wimpy crossovers that find their way into many amplifiers these
days. What is the benefit of fine tuning your system if you cannotaccurately route the proper frequencies to the proper amplifier
channels?
Remote Mounted Subwoofer Level Control: Need a little more
bass to impress your buddies? Or maybe you want to tone it down
to not scare off your date. Whatever the case, the 6XS has a
subwoofer output level control that allows you to control the
amount of signal that goes to your subwoofer outputs. In addition,you have the ability to mount the chassis of the 6XS in the rear of
the car (we recommend staying away from the bumper), and mount
the dash control in some easily accessible location. The dashboard
of your car comes to mind.
13 Volt Pre-Amp Line Driver: The 6XS offers a high quality
line driver that takes the low output voltage of a source unit and
increases it up to 13 volts peak. This allows you to maximize thesignal-to-noise of your system and drive your amplifiers to their
maximum output without clipping. No hiss, clicks, or pops plus
maximum sound quality.
PFM Subsonic Filter: This unique feature is legendary with
many AudioControl fanatics for it’s ability to fine-tune the bass
response of any system. No need to waste power on nasty subsonic
information when your Programmable Frequency Match (PFM)filter will help you clean things up.
Bulletproof Warranty: The most important feature of all. Every
AudioControl product is thoughfully designed and manufactured by
the occupants of our rainforest factory. We make every effort to
insure that you will have many years of enjoyment out of your 6XS.
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We also highly recommend that you allow your
authorized AudioControl dealer to per-
form the installation of your 6XS to
maximize the performance of this
nifty device. Not only do they haveall the right knowledge and tools, but in the unlikely chance
your 6XS should stop working, we will back it with a limited
five years parts and labor warranty. Should you choose to install it
yourself, we will still give you one-year parts and labor warranty.
To activate your warranty, you need to FILL OUT AND SEND
IN YOUR WARRANTY CARD!
We also recommend that you save your invoice orsales slip as proof of installation and ownership. Not
only is it necessary for warranty purposes, but should
your 6XS “disappear” one day while your car is
parked at your local latte’ stand, you will find
insurance companies very unforgiving without
proof of purchase.
QUICK INSTALL INFORMATION We interrupt your reading of this manual to provide the
impatient people with “Quick Install” information and
guidelines:
1) Using the following system drawings as reference, decide
where in the signal path to place the 6XS. It needs to bebefore your amplifiers, but after your source unit, equalizers,
CD player, VCR or blender.
2) Connect the input RCA connectors on your 6XS to your
source unit.
3) Connect the output RCA connectors from your 6XS to your
amplifier(s). You will want the “Highpass” outputs togo to your midrange and/or tweeter amplifier(s) while your
“Subwoofer” output connects to the subwoofer amplifier. If
you value your speakers, you will want to be careful here.
4) Connect the + 12 volt power, ground, and remote
turn-on to the appropriate connections and turn the system on.
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Important Note: If any of the previous QUICK INSTALLATION
information does not make sense, than immediately STOP what
you are doing and read the rest of this manual. If it still does not
make sense, you will want to run to your nearest authorized Audio-
Control dealer to have them install your 6XS. Heck, if you don’t think you need to know more, you should still read on, because you
can never know too much.
Figure 1: Six channel 6XS System
Figure 2: Two Channel 3-Way system
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GUIDED TOUR OF 6XSThe Top View
Figure 3: Top View Of The 6XS
1) Inputs: The 6XS has three pairs of inputs; FRONT, REAR,
AND SUBWOOFER. These inputs should get their signals from
the main source unit/head unit. If your source unit has front, rear,
and subwoofer outputs (aka “six channel”), connect them to theidentical inputs on your 6XS. However, if you are only using front
and rear signals (four channel) or just two channels, the Auto Mode
circuitry in your 6XS will automatically feed your subwoofer
channel with signal from your front inputs.
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2) Outputs: These RCA connectors should be connected to the
amplifier(s) that are in your system. Depending upon your system
configuration, you may or may not need to use all of the outputs.
3) Power Connectors: This nifty connector is a godsend to
anyone who has tried to wire up their gear with their head crammedin a trunk. You can wire up the power, ground, and remote turn-on
while conveniently standing outside your car and then casually plug
it in the back of your 6XS.
4) Remote Level Control: This output connects, via a cable that
looks strangely like it came from your phone, to a knob assembly
that should be mounted in a location that is easily accessible while
you are operating your system.
UNDER THE COVERGround Isolation Selector: Occasionally alternator whine may
appear in a system because the source unit and amplifier(s) are
using different grounding
schemes. To help in this
situation, we have providedalternative grounding
connections. Make sure
your system is turned OFF
before you move these
jumpers.
Figure 4: Under the 6XS cover
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Figure 5: 6XS with EQS
WIRING THE AUDIO (without coffee) WIRING THE AUDIO (without coffee) WIRING THE AUDIO (without coffee) WIRING THE AUDIO (without coffee) WIRING THE AUDIO (without coffee)As you may already have guessed, there are numerous ways to
configure the 6XS in your audio system. Spend a little quality time
planning out your system and even sketching it out on paper if you
can. The following diagrams are just a few of the system options:
Figure 6: 6XS with FOUR.1i
Figure 7: 6XS with The Epicenter
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AutoMode Inputs: If your source unit has front, rear, and
subwoofer outputs (aka “six channel”), connect them to the identi-
cal inputs on your 6XS. However, if you are only using front and
rear signals (four channel) or just two channels, the Auto Mode
circuitry in your 6XS will automatically feed your subwooferchannel with signal from your front inputs.
INSTALLING THE CHASSISINSTALLING THE CHASSISINSTALLING THE CHASSISINSTALLING THE CHASSISINSTALLING THE CHASSISUp to this point everything you have read has served to educate
you on the operations of 6XS. We are sure that you are chomping
at the bit to install 6XS so we recommend you read the following
sections very carefully.Placement: The 6XS needs to be installed in the signal path
between your source unit and before any amplifiers. Since you
should not be changing the crossover modules while you are driv-
ing, the physical chassis of your 6XS can be mounted anywhere
within the vehicle.
Mounting: Once you have selected a permanent mounting
location for the chassis, position the unit and mark the appropriatemounting holes with a felt-tip pin or scratch awl. Before doing
anything else, make sure you are not about to drill a hole in a gas
tank or pierce any existing wiring. Nothing ruins your day more
than an expensive repair bill. Drill a small pilot hole and secure the
chassis of the 6XS with self-tapping screws.
ELECTRICAL CONNECTIONSWARNING: Failure to disconnect the negative terminal of your
battery prior to the installation of your 6XS can result
in a warm tingly feeling.
Remote In: Connect a 22 to 18 gauge wire
from the head-unit’s remote turn-on to the “Remote In” connectoron the 6XS.
Positive (+12V) Connection: Insert an 18 gauge or larger wire
into the connector labeled “Power” on the nifty connector of your
6XS. Connect it to a good constant source of 12 volts (we suggest
the battery), fused at 1 amp.
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Ground Connection: Use the same gauge wire as you did for the
positive connector and run it from the “Ground” connector on the
6XS to the negative terminal of the battery, a ground bus, or a
verified ground location. The factory head unit ground is not a
good ground!When the electrical connections are complete, you may reconnect
the negative terminal to your battery.
DASH CONTROL INSTALLATIONPlacement and Mounting: The dash control may be mounted
under the dash using its own bracket or through a custom hole in the
dash. It should be mounted within reach of the driver and in a spotwhere the LED is plainly visible. The dash control mounts with two
screws, which attach to the underside of the dashboard. Slide under
the dash and place the dash control in its mounting position. Mark
the mounting holes, drill pilot holes, and secure with two screws.
Custom Installation: For that custom look, the dash control can
be flush mounted in the dashboard or center console. Disassemble
the 6XS dash control from the mounting bracket. Start by pushingthe LED back out of its holder followed by removing the circuit
board and rotary control from the bracket. Drill a 9 ⁄ 32” hole in the
dashboard for the control along with a 1 ⁄ 8” hole for the lock tab and a13 ⁄ 64” hole for the LED holder. Reassemble the dash control compo-
nents on the dashboard and apply the new label over the openings.
Dual-Color LED: The LED on your dash control is
rain forest green and should brighten or dim whenyou turn the knob either clockwise or
counter clockwise. Should you
wish to change the color
to amber, remove the
plug connected to the
LED and turn it 180
degrees and plus itback in.
Figure 8: Dash mount remote
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SETTING THE CROSSOVER MODULESSelecting the Crossover Frequencies: Your 6XS comes
“preloaded” with crossover modules that will allow it to work in a
number of system configurations. Here are the factory settings:
Should your system require different frequencies than what comes
with the 6XS, fear not, as you can change the crossover modules to
accommodate just about any system configuration.
Most importantly, we recommend that you select crossover
frequencies according to the characteristics of your speakers. Wesuggest the following ranges:
Tweeters: 3500 Hz and higher
Midrange: 250 Hz to 3500 Hz
Midbass: 80 Hz to 250 Hz
Subwoofers: 150 Hz and lower
As there is probably a good chance that you are not using Audio-
Control speakers (because we don’t make speakers), we suggest
you contact the manufacturers of your speakers for their recom-
mendation.
The Legacy Of Crossover Modules To change the crossover
frequency on your 6XS, AudioControl products use a nifty plug-in
module. Crossover modules are more accurate and reliable thanmost knobs or simple switches that are offered by other manufac-
tures and come on many amplifiers. Your authorized AudioControl
dealer will generally stock a wide selection of crossover modules
for your 6XS should you wish to change the crossover frequencies.
Four/Six Two
Outputs Channel Input Channel Input
Front Highpass 250 Hz and up 250Hz and up
Front Lowpass 90 Hz to 250Hz 90 Hz to 250 Hz
Rear Highpass 250 Hz and up
Subwoofer 30 Hz to 90 Hz 30 Hz to 90Hz
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If your system design calls out for crossover frequencies that
your dealers does not stock, you can create custom modules by
using the following formula:
__7200___ = Resistor Value In Kilohms
Frequency (Hz)Example:
For a 2500Hz module - 7200/2500=2.88K ohms
The 24 dB crossover module requires eight
resistors of this value.
Note: Use 1 ⁄ 4 watt carbon or metal
film resistors of a 5% tolerance or
better .
USING THE PFM(PROGRAMMABLE FREQUENCY MATCH) FILTER
Many car audio systems truly push the limits of their subwoofer
. . . without really knowing it. Tuned enclosures affect the roll-off
of many speakers, yet lots of source material forces the speakers to
play lower than expected. The net result is wasted amplifier power
and damaged speakers. The AudioControl PFM (Programmable
Frequency Match) filter is a programmable subsonic filter. It allows
you to only let the speaker(s) play as low as they should be playing.
Because every system is different, we allow you to change the PFM
roll-off frequency to whatever you choose.
On most systems, the factory installed module (33Hz) is fine.However, if you know the tuning frequency of your speaker enclo-
sure (porting frequency or 3dB down point), you might try setting
your PFM module to that frequency. If you want to protect your
speaker system even more, you might even try a higher frequency.
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TROUBLESHOOTINGNo Power: If the Power LED on your 6XS will not turn on, check
to make sure that the power wire and remote turn on wires areconnected or a fuse has not blown.
Sounds Distorted: Should your system sound distorted or your
speakers are moving way too much, you should first decrease theremote level control and output levels on your 6XS. If yourspeaker’s are still moving way too much or don’t sound good, check your crossover modules to make sure they are plugged in correctlyand that you have selected the proper frequencies for your speakersystem.
Remote Level Control: The top three things that cause the remotelevel control to not operate properly are the cable, the cable, and thecable. If these check out fine, than go back and check the cable. Note: If you unplug the cable fromt the chassis, you will get maxi-
mum output form the subwoofer.
IF YOU LIKE 6XS, YOU’LL LOVE...The EQS six channel trunk mount equalizer. Thirteen full octave,
1/2-octave, and 1/3
octave spaced bands helptame even the mostwicked acoustical envi-ronment, your car. Inaddition it will almostplug directly into your6XS.
If more signal voltage
is necessary in your system, don’t feel alone. Many customers haveadded our Matrix six channel line driver and felt like they had newamplifiers in theirsystems.
Do you want to makeyour home audiosystem sound just as
good as your car audiosystem? Good news!AudioControl makes a complete line of products signal processorsthat do the same amazing things for your home audio or theatersystem. Unfortunately there is just not enough space in this manualto mention every product we build, so we recommend you visit our
web site at www.audiocontrol.com.
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And now a word from the legal department...
THE WARRANTY People are scared of warranties. Lots of fine print. Months of
waiting around. Well fear no more as this warranty is designed toallow you to fully enjoy your 6XS while raving about us to your
friends. It’s a warranty that looks out for you and helps you resist
the temptation to have your friend, “...who’s good with electron-
ics”, try to repair your AudioControl product. So go ahead, read
this warranty, and then take a few days to enjoy the 6XS before
sending in the warranty card and comments.
“Conditional” doesn’t mean anything ominous. The FederalTrade Commission tells all manufacturers to use the term to indi-
cate that certain conditions have to be met before they’ll honor the
warranty. If you meet all of these conditions, we will warrant all
materials and workmanship on the 6XS for one year from the date
you bought it (five years if it is installed by an authorized United
States AudioControl dealer). We will fix or replace it, at our option,
during that time.Here are the conditional conditions:
1. You have to fill out the warranty card and send it to us within 15
days after purchasing your 6XS.
2. You must keep your sales receipt for proof of purchase showing
when and from whom the unit was bought. We’re not the only
ones who require this, so it’s a good habit to get into with any
major purchase.
3. Your 6XS must have originally been purchased from an autho-
rized AudioControl dealer. You do not have to be the original
owner, but you do need a copy of the original sales slip.
4. You cannot let anybody who isn’t (A) the AudioControl factory;
(B) somebody authorized in writing by AudioControl to service
your 6XS. If anyone other than (A) or (B) messes with your6XS, that voids your warranty.
5. The warranty is also void if the serial number is altered or
removed, or if the 6XS has been used improperly. Now that
sounds like a big loophole, but here is all we mean by it.
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Unwarranted abuse is: (A) physical damage (don’t use the 6XS
for a jack stand); (B) improper connections (120 volts into the
power jack can fry the poor thing); (C) sadistic things. This is
the best mobile product we know how to build, but if you mount
it to the front bumper of your car, something will go wrong.
6. If an authorized United States AudioControl dealer installs the
6XS, the warranty is five years.
Assuming you conform to 1 through 6, and it really isn’t all
that hard to do, we get the option of fixing your old unit or replac-
ing it with a new one.
LEGALESE SECTIONThis is the only warranty given by AudioControl. This warranty
gives you specific legal rights that vary from state to state. Prom-
ises of how well the 6XS will perform are not implied by this
warranty. Other than what we have covered in this warranty, we
have no obligation, express or implied. Also, we will not be obli-
gated for direct or indirect consequential damage to your system
caused by hooking up your 6XS.
Failure to send in a properly completed warranty card negates any
service claims.
6XS BLOCK DIAGRAM
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6XS SPECIFICATIONS All specifications are measured at 14.4 VDC (standard automotive voltage).
As technology advances, AudioControl reserves the right to continuously
change our specifications, like our weather, although we are working on it.
Maximum output level ......................................... 9.5 Vrms /13.5 Vpeak
Input/output channels......................... Selectable: 2, 4 or 6 channels
Signal gain ..................................................... 0 to +12 dB front/rear
.......................................................................... 0 to +18 subwoofer
Frequency response......................................... 10Hz-100kHz; ±1dB
Total harmonic distortion ..................................................... 0.005%
Crossover slope.................................. 24 dB/Octave Linkwitz-Riley
Crossover frequency ......................... Programmable 15 to 3500 Hz
PFM subsonic filter slope......................... 18 dB/Octave Chebyshev
PFM frequency.................................... Programmable 15 to 100 Hz
Signal to Noise ratio ............................................................ - 110dB
Input Impedance ............................................................. 20 K ohmsOutput Impedance............................................................ 150 Ohms
Power supply ................................................ High headroom PWM
Power draw.......................................................................... 400 mA
Recommended fuse rating ..................................................... 2 amps
Size ...................................................... 7.25” W x 7.7” D x 1.25” H
Weight .................................................................................. 2.5 lbs.
Warranty in U.S. ............................................ 1 year parts and labor
....................................................... 5 years when installed by dealer
© 2002, AudioControl, a division of Electronic Engineering and Manufacturing, Inc.
All rights reserved
AudioControl, Making Good Stereo Sound Better, 6XS, EQS,
and The Epicenter are all trademarks of Electronic Engineering and
Manufacturing, Inc.
This manual was conceived, designed, and written during a
windy, and dreary rain-drenched period (which is all of the time) at
our home in the Pacific Northwest Rainforest. The wheat beer was
cold and so was the weather.